#!/usr/bin/env python
# -*- coding: UTF-8 -*-
"""
"""

from hashlib import md5

def _authcode(string, operation = 'DECODE', key = '', expiry = 0):
    ckey_length = 4;



###
if __name__=="__main__":
    m = md5("hello world")

    print m.hexdigest()

    print m.digest_size, m.block_size

    print m.digest()

    #
    raw_input("Press any key to continute...")
